Finding the Fourth Proportional to 31,085.59, 46,642.16 and 16,290.99

Step by Step Solution

1. Step 1: Write the proportion equation
   31,085.59 : 46,642.16 = 16,290.99 : x
2. Step 2: Convert to fraction form
   31,085.59/46,642.16 = 16,290.99/x
3. Step 3: Cross multiply
   31,085.59x = 46,642.16 × 16,290.99
4. Step 4: Simplify right side
   31,085.59x = 759,846,728.93
5. Step 5: Solve for x
   x = 759,846,728.93/31,085.59
6. Step 6: Final answer
   x = 24,443.70